Probing internucleus potential with large-angle quasi-elastic scattering
Abstract
Recent measurements for fusion cross section at energies around the Coulomb barrier have systematically indicated a significant deviation of fusion cross sections from a prediction of double-folding model. It has been argued that the deviation can be accounted for if one uses a large value of surface diffuseness parameter for a Woods-Saxon internuclear potential. We investigate this problem using large-angle quasi-elastic scattering, that is a good counterpart of fusion reaction. Towards a reconciliation of the apparent anomaly in the diffuseness parameter for fusion reactions, we also discuss possible ingredients which are missing in present nuclear reaction models. Those include a deviation from the frozen density approximation, the effect of antisymmetrization and the role of coordinate dependent moment of inertia for the relative motion between the colliding nuclei.
Keywords
Cite
@article{arxiv.nucl-th/0605017,
title = {Probing internucleus potential with large-angle quasi-elastic scattering},
author = {K. Hagino and K. Washiyama},
journal= {arXiv preprint arXiv:nucl-th/0605017},
year = {2009}
}
Comments
8pages, 2figures. Uses aipxfm.sty. A talk given at the FUSION06: International Conference on Reaction Mechanisms and Nuclear Structure at the Coulomb barrier, March 19-23, 2006, San Servolo, Venezia, Italy